2002年，小儿血液科中国第一株人胚胎造血干细胞系建系成功；
In 2002, China's first strain of human embryo hemopoietic blood stem cell was founded successfully in the department of Pediatric Hematology.
但是临床医师为了这个目的在培养胚胎造血干细胞方面仅取得了一点成功，即使这些细胞能够成为移植很有用的细胞来源。
Clinicians have had limited success in culturing embryonic hematopoietic stem cells for such purposes, he said, even though they could be a highly useful source of cells for transplant.
这项研究为胚胎干细胞向造血干细胞定向分化的研究提供了新的线索。
This finding provides new clues for studying the mechanism of committed differentiation from embryonic stem cells.
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